Nokia N82 Unlocked Phone with 5 MP Camera, International 3G, Wi-Fi, GPS, MP3/Video Player, and MicroSD Slot--International Version with Warranty (Silver) Unlocked cell phones are compatible with GSM carriers such as AT&T and T-Mobile, but are not compatible with CDMA carriers such as Verizon and Sprint. Quad-band GSM cell phone compatible with 850/900/1800/1900 frequencies and International 3G compatibility via 2100 UMTS plus GPRS/EDGE capabilities 5-megapixel digital camera with Carl Zeiss Optics, autofocus, digital zoom; DVD-quality video capture (640 x 480 pixels at 30 fps) Wi-Fi connectivity (802.11b/g); Bluetooth stereo music; MicroSD expansion; digital audio player; FM radio; access to email Up to 4.3 hours of talk time, up to 9.5 days) of standby time This cell phone may not include a US warranty as some manufacturers do not honor warranties for international version phones. Please contact the seller for specific warranty information.